PLATE XXVIII. 



CR ASSATELLA CURTA Coiirad ? -^^5®' 



Figs. 1 and 2. Views of a cast Iroiu Scinankini,, ^\"j. ' "coLVmbia'coiiegeVoYlection '^^^ 



.3. A partial cast from New Egypt, showing smtaco stricX?. A. M. X. H. collection 



r. ^ ''"'^ ^'' ^ ''^''''' ''^' '' ^'''"^^'^^^ specimen from Scinanknm. Rntgers College collection 

 Crassatella littoralis Conrad 



Fig. (). An imperfect shell of the spJdi^'A^'sqnJnknm: " Ru1^;;s CoUegycoih^^^l^nr ^^^ 



7. Viewof anniternal cast showing its elliptical form and ronnded mnhonal rid^e 

 Sqnanknm. Colnmbia College collection. "" ' 



MoDiOLA Joiixsoxi Whitfield 



Fig. H. Cardimil view, natnral size, of a very perfect specimen of' t"he specie^ 



9. Lateral view of the same. 



Criocardium nucleolus Whitfield 



Fig. 10. Lateral view, enlarged, of an internal cast of the nsnal size'and'form 



II. Cardinal view of the same. 

 Veniella rhomboidea Conrad 



Fig. 12. Lateral view of a shell presenting the nsnaf featnres." '^^ 



13. Cardinal view of the same, 

 Cardita intermedia Whitfield 



Fig. 14. Lateral view of an internal cast,"showing7he VJmaiii^'of plic^ati^ms on ih;'n^;gin " ''^ 



15. Cardinal view of the same, * 



Caryatis veta Whitfield 



Fig. K). View of a cast from Sqnanknm, N. J. ''^^^ 



17. View of a cast from Farmingdale, X. J. 

 Fig. 18. Lateral view of a speei.neu from Farming.lale, N. J., preserving the shell ami 

 showing the snrface stria3. 

 19. Anterior view of the same. 

 Periplomya truxcata Whitfield 



Fig. 20. Lateral view of a cast from near New Eyj^p;;^; jrEutg;^; Cone^;oii;;;;tion""' ^'^ 



21. Cardinal view of the same. 

 Petricola Nova-.Egyptica Whitfield 



Fig. 23. View of a right valve showing the snrface stria?. " ' '^^ ' 



Paxopea elliptica Whitfield 



Fig. 24. Lateral view of the most perfect specimen ohserved. ^^^ 



25. Cardinal view of the same. 



324 



